Show a sharp point stuck in me

I believe the answer is:

matinee

I'm a little stuck... Click here to teach me more about this clue!

'show' is the definition.
(matinee is a kind of show)

'a sharp point stuck in me' is the wordplay.
'sharp point' becomes 'tine' (I've seen this in other clues. I am not sure about the 'sharp' bit.**).
'stuck in' indicates putting letters inside.
'a'+'tine'='atine'
'atine' going into 'me' is 'MATINEE'.

Can you help me to learn more?

(Other definitions for matinee that I've seen before include "First jackets" , "Afternoon theatre" , "After lunch, show" , "Afternoon show" , "theatre performance" .)

I've seen this clue in The Telegraph.

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